BenQ TH670s - Manual (Page 63)

Maintenance 63
Timing of replacing the lamp
When the Lamp indicator lights up red or a message appears suggesting it is time to
replace the lamp, please install a new lamp or consult your dealer. An old lamp may
cause a malfunction in the projector and in some instances the lamp may explode.
The Lamp indicator light and Temperature warning light will light up if the lamp
becomes too hot. See
"Indicators" on page 67 for details.
The following lamp warning displays will remind you to change the lamp.
The warning messages below are for reference only. Please follow the actual on-
screen instructions to prepare and replace the lamp
.
Status Message
It is strongly recommended that you replace
the lamp at this stage. The lamp is a
consumable item. The lamp brightness
diminishes with use. This is normal lamp
behavior. You can replace the lamp whenever
you notice that the brightness level has
significantly diminished.
The lamp MUST be replaced before the
projector will operate normally.